VCFRONT-A201
VCFRONT_a201_vcrightSelfTestFail
Also written as VCFRONT_A201 / VCFRONT A201 / VCFRONT_a201_vcrightSelfTestFail / vcfront_a201_vcrightselftestfail
Why does the exact Tesla alert ID matter?
Record the exact alert ID, including underscores, suffixes, and companion alerts. Tesla alerts that look similar can point to different modules, timestamps, and service procedures.
What does VCFRONT-A201 mean?
Tesla alert code in the Vehicle Controller Front (VCFRONT) module. The front vehicle controller has detected a problem with the right vehicle controller voltage supply circuit. The 12V battery is not supported info from manualVCFRONT_A180 There is 0.5V or greater difference between the PCS voltage and the battery voltage. There is less than 0.5V difference between the PCS voltage and the battery voltage. High strain on 12V Battery, drive not allowed.
Original Description
The front vehicle controller has detected a problem with the right vehicle controller voltage supply circuit. The 12V battery is not supported info from manualVCFRONT_A180 There is 0.5V or greater difference between the PCS voltage and the battery voltage. There is less than 0.5V difference between the PCS voltage and the battery voltage. High strain on 12V Battery, drive not allowed.
Affected Tesla Models
What You May Notice
- Vehicle Controller Front alert: The front vehicle controller has detected a problem with the right vehicle controller voltage supply circuit. The 12V ba
- Some features (climate, lights, or charging) may be temporarily unavailable
- Alert notification in the Tesla app
How to Diagnose and Resolve
- 1 Perform a soft reboot (hold both scroll wheels)
- 2 Check for pending OTA software updates in Controls > Software
- 3 If multiple features remain non-functional, schedule a service appointment
Severity Notes
VCFRONT-A201 is an Alert in the Vehicle Controller Front system. Confirm the vehicle screen and Tesla app show no driving or charging restrictions, and schedule service if the alert returns.